Motor control system and the method of controlling motor

A motor control system, in which a motor is controlled through a power line, and the power line supplies the motor power in the same time, comprising:

• a control apparatus including a controller and a first communication module electrically connected to the controller, wherein the controller receives a command and converts the command into electrical control signals, and the first communication module receives the electrical control signals from the controller and transmits the electrical control signals to the power line;
• and
• an actuation apparatus including a second communication module and a motor actuator electrically connected to the second communication module and the motor, wherein the second communication module is connected to the power line to receive the electrical control signals from the control apparatus and convert the electrical control signals into a command, and the motor actuator receives the command from the second communication module to control the motor;
• wherein the second communication module of the actuation apparatus monitors the motor to generate feedback signals transmitting to the power line;
• the first communication module of the control apparatus receives the feedback signals from the power line, and the controller decodes the feedback signals from the first communication module to show information of the motor;
• and
• wherein the second communication module includes a second processor and a second digital analog converter, wherein the second processor generates digital feedback signals, and the second digital analog converter converts the digital feedback signals from the second processor into analog feedback signals and transmits the analog feedback signals to the power line;
• the first communication module includes a first processor and a first analog digital converter, wherein the first processor receives the analog feedback signals from the power line, and the first analog digital converter converts the analog feedback signals from the first processor into digital feedback signals and transmits the digital feedback signals to the controller.

An actuation apparatus, which receives a power and electrical control signals from a power line to control a motor according to the electrical control signals, comprising:

• a motor actuator connected to the motor;
• and
• a communication module receiving the electrical control signals from the power line and converting the electrical control signals into a command to control the motor actuator to adjust the power providing to the motor;
• wherein the electrical control signals are analog signals, and the communication module includes an analog digital converter and a processor, wherein the analog digital converter receives the analog electrical control signals from the power line and converts the analog electrical control signals into digital electrical control signals, and the processor controls the motor actuator according to the digital electrical control signals;
• and
• wherein the communication module further includes a coupling transformer, a band-pass filter, and a programmable gain amplifier, wherein the coupling transformer receives the analog electrical control signals from the power line, and the band-pass filter filters the analog electrical control signals from the coupling transformer, and the programmable gain amplifier stabilizes the analog electrical control signals from the band-pass filter by adjusting gains and transmits the analog electrical control signals to the analog digital converter.

An actuation apparatus, which receives a power and electrical control signals from a power line to control a motor according to the electrical control signals, comprising:

• a motor actuator connected to the motor;
• and
• a communication module receiving the electrical control signals from the power line and converting the electrical control signals into a command to control the motor actuator to adjust the power providing to the motor;
• wherein the communication module monitors the motor through the motor actuator to generate feedback signals and transmits the feedback signals to the power line;
• wherein the communication module further includes a processor and a digital analog converter, wherein the processor monitors the motor through the motor actuator to generate the feedback signals, and the digital analog converter converters the feedback signals from digital signals into analog signals and transmits the analog feedback signals to the power line;
• and
• wherein the communication module further includes a low-pass filter, a programmable gain driver, and coupling transformer, wherein the low-pass filter filters the analog feedback signals from the digital analog converter, and the programmable gain driver stabilizes the analog feedback signals from the low-pass filter by adjusting gains and transmits the analog feedback signals to the power line through the coupling transformer.